Comparison

marimo vs The Marimo

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

marimo

A virtual pet simulation where you nurture a Marimo, a unique aquatic plant from Hokkaido. The core gameplay involves changing its water to help it grow. You can then share your Marimo's progress with friends.

Highlights
  • Virtual Marimo pet
  • Water changing gameplay
  • Marimo growth simulation
  • Share progress on Twitter
  • Hokkaido souvenir theme
Features
Read full description

Marimo-chan is an application to grow the "Marimo" on the iPhone. Inhabit Lake Akan in Hokkaido, can be observed / breeding on the iPhone the "Marimo" very popular as a souvenir of Hokkaido. Is a very simple system. Basically all you have to do change water. When Marimo grow large then Let's boast to your friends on twitter

About

The Marimo

Care for a virtual green ball creature that grows over time. Keep its environment clean and provide light to ensure its survival. Customize its appearance and interact with it through various gestures.

Highlights
  • Virtual pet care
  • Growth simulation
  • Environment maintenance
  • Customization options
  • Interactive controls
  • Social sharing
Features
Read full description

Thank you 1,130,000 download!! [About Marimo] Marimo means a plant like a green ball which grow in Hokkaido, Japan. You can raise a Marimo. A marimo will grow up little by little every day. When water become dirty, you need to refresh water. If you don't take care of a Marimo long time, Marimo will wither. [Other Features] - You can rename Marimo, and change background. - Drag to move Marimo. - Double tap to pick tap Marimo. - Rotate marimo with two finger. - Marimo moves by the direction of the device. - You can upload image of Marimo on Twitter/Facebook. - Photosynthesis occurs in a bright place.

Screenshots

marimo4 screens
The Marimo3 screens

Verdict

The call

The clearest difference is ads: marimo at none against The Marimo's shown. marimo also leads on review sentiment (98% vs 80%) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

marimo ships an update every 4 months, The Marimo every 3 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
marimo versus The Marimo: the parameters behind the verdict, then further details
ParametermarimoThe Marimo
PriceFreeFree
Rating—4.4 (16 ratings) — better
Positive reviews98.0% of reviews — better79.6% of reviews
Number of ratings—16 — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size31 MB18 MB
Age rating4+4+
DeveloperHANA-DA HiromitsuKosuke Ogawa

Customer experience

marimo

Written reviews50 reviews
Positive98.0%
Neutral0.0%
Negative2.0%

The Marimo

All ratings16 ratings
Positive87.5%
Neutral6.3%
Negative6.3%
Written reviews93 reviews
Positive79.6%
Neutral10.8%
Negative9.7%

In-app purchases

None

marimo

No in-app purchases

None

The Marimo

No in-app purchases

Questions

Is marimo free?
marimo is free to download, with no in-app purchases.
Is The Marimo free?
The Marimo is free to download, with no in-app purchases.
Do marimo or The Marimo have ads?
The Marimo shows ads; marimo does not.
Which is updated more often, marimo or The Marimo?
marimo ships an update every 4 months, and The Marimo every 3 months. Most recently, marimo was updated on October 5, 2026 and The Marimo on October 12, 2026.

Other comparisons